There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 6PM to 10PM | 9AM to 10PM | 2PM to 4AM |
| 10PM to 4PM | 6AM to 11PM | 4PM to 2AM |
| 11PM to 4PM | 1PM to 6PM | 1AM to 8AM |
| 8PM to 3PM | 5AM to 8AM | 4PM to 6AM |
| 9AM to 12AM | 5PM to 8AM | 9PM to 5PM |
| 2AM to 11AM | 11PM to 8AM | 7PM to 9AM |
